CE13 - Biologie Cellulaire, biologie du développement et de l’évolution

Transcriptional precision during development : the problematic case of nested genes – TransDev

Submission summary

During development, cell fate specification relies on transcriptional regulation. For development to be robust, the transcription of developmental genes has to be very precise. However, several genomic topologies can be a challenge for transcriptional precision, such as the opposite nested configuration, where a gene is located in an intron of a host gene in opposite direction. Here we will characterize how this specific gene configuration affects the variability and accuracy of gene expression during development, using the C. elegans embryo, which allows precise quantification of gene expression at single cell resolution. We will use a combination of CRISPR genome engineering, single mRNA molecule detection, live transcription imaging, and single cell RNA-seq data analysis. As this intriguing gene topology is frequent in animals, including human, and involves developmental genes, our study should have a broad impact on the understanding of transcriptional precision during development.

Project coordination

Vincent Bertrand (Centre National de la Recherche Scientifique Délégation Provence et Corse_Institut de Biologie du Développement de Marseille)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

CNRS DR12 _IBDM Centre National de la Recherche Scientifique Délégation Provence et Corse_Institut de Biologie du Développement de Marseille
MMG Centre de Génétique Médicale de Marseille (Marseille Medical Genetics)

Help of the ANR 540,320 euros
Beginning and duration of the scientific project: September 2021 - 48 Months

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